See our Company Profile About Us Suzhou Giant Power Chain Co., Ltd. is the earliest chain export base and one of the specialized enterprises manufacturing high strength and high precision roller chains in China. Our main products are A series and B series standard roller chains, bush chains, double pitch chains, silent chains, leaf chains, hollow pin chains, special chains and conveyor chains. Our annual output is 1.5 million metres. Our company, in cooperation with other related researcher institutes and universities in recent years, has gained a leading position in designing, technology, selecting materials and manufacturing. Our company attained ISO9001:2000 Quality Assurance System certification in 1999, and totally conform to the international standard (ISO) and other advanced industrial standards, such as ANSI, BS, DIN and JIS. We sell sixty percent of our products to America, Europe, Japan, and Southeast Asia.